146
CDUS43 KLOT 200641
CLILOT
CLIMATE REPORT
NATIONAL WEATHER SERVICE CHICAGO IL
141 AM CDT WED MAY 20 2026
...............................
..THE ROMEOVILLE WFO CLIMATE SUMMARY FOR MAY 19 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1992 TO 2026
WEATHER ITEM OBSERVED RECORD YEAR NORMAL DEPARTURE LAST
VALUE VALUE VALUE FROM YEAR
NORMAL
........................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 77 92 1996 74 3 56
MINIMUM 58 38 1993 51 7 44
AVERAGE 68 62 6 50
PRECIPITATION (IN)
YESTERDAY T 1.36 2005 0.16 -0.16 0.00
MONTH TO DATE 0.94 2.97 -2.03 0.50
SINCE MAR 1 11.66 9.79 1.87 8.34
SINCE JAN 1 14.29 13.96 0.33 9.76
SNOWFALL (IN)
YESTERDAY 0.0 MM MM 0.0 0.0 0.0
MONTH TO DATE 0.0 0.0 0.0 0.0
SINCE MAR 1 6.0 5.1 0.9 2.7
SINCE JUL 1 30.7 33.2 -2.5 17.5
SNOW DEPTH 0
DEGREE DAYS
HEATING
YESTERDAY 0 5 -5 15
MONTH TO DATE 182 137 45 124
SINCE MAR 1 1156 1391 -235 1187
SINCE JUL 1 5737 5997 -260 5525
COOLING
YESTERDAY 3 2 1 0
MONTH TO DATE 20 28 -8 38
SINCE MAR 1 33 38 -5 44
SINCE JAN 1 33 38 -5 44
........................................................
THE ROMEOVILLE WFO CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 74 91 2012
MINIMUM TEMPERATURE (F) 52 35 2002
SUNRISE AND SUNSET
MAY 20 2026...........SUNRISE 5:28 AM CDT SUNSET 8:10 PM CDT
MAY 21 2026...........SUNRISE 5:28 AM CDT SUNSET 8:11 PM CDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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